Popis: |
Determining environmental suitability for dreissenid mussel survival is important in managing water resources. The saturation index for calcite (SIcalcite) was examined as a potential predictor of environmental suitability for dreissenids. SIcalcite was calculated for 500 lakes from Ontario, Canada and Vermont and Wisconsin, USA. A lower limit of -0.9 was determined necessary for successful establishment of longterm mussel populations. This limit was then applied to sites in the California State Water Project. When compared with using calcium alone or paired calcium and pH values, SIcalcite was better at identifying environmental suitability at the extremes of calcium and pH ranges. |